2d_orthogonal_packing_testing.h

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// Copyright 2010-2025 Google LLC
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#ifndef OR_TOOLS_SAT_2D_ORTHOGONAL_PACKING_TESTING_H_
#define OR_TOOLS_SAT_2D_ORTHOGONAL_PACKING_TESTING_H_
 
#include <utility>
#include <vector>
 
#include "absl/random/bit_gen_ref.h"
#include "absl/types/span.h"
#include "ortools/sat/diffn_util.h"
#include "ortools/sat/integer_base.h"
 
namespace operations_research {
namespace sat {
 
std::vector<Rectangle> GenerateNonConflictingRectangles(int num_rectangles,
                                                        absl::BitGenRef random);
 
// Alternative way of generating random rectangles. This one generate random
// rectangles and try to pack them using the left-bottom-first order.
std::vector<Rectangle> GenerateNonConflictingRectanglesWithPacking(
    std::pair<IntegerValue, IntegerValue> bb, int average_num_boxes,
    absl::BitGenRef random);
 
std::vector<RectangleInRange> MakeItemsFromRectangles(
    absl::Span<const Rectangle> rectangles, double slack_factor,
    absl::BitGenRef random);
 
std::vector<ItemWithVariableSize> GenerateItemsRectanglesWithNoPairwiseConflict(
    absl::Span<const Rectangle> rectangles, double slack_factor,
    absl::BitGenRef random);
 
std::vector<ItemWithVariableSize>
GenerateItemsRectanglesWithNoPairwisePropagation(int num_rectangles,
                                                 double slack_factor,
                                                 absl::BitGenRef random);
 
}  // namespace sat
}  // namespace operations_research
 
#endif  // OR_TOOLS_SAT_2D_ORTHOGONAL_PACKING_TESTING_H_